Solve: 1- (3x+2x)3 =
2- (3n+5q)3n =
3- (4x+2x²)y =
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1- (3x+2x)3
= 9x+6x
= 15x
_______________________
2- (3n+5q)3n
= 9n²+15qn
_______________________
3- (4x+2x²)y
= 4xy+2x²y
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